package com.haiyan.demo12_抽象方法的概述和定义;

public class Student extends Person {

    @Override
    public void method() {

    }

    @Override
    public void method(int num) {

    }

    @Override
    public int method(String num) {
        return 0;
    }

    @Override
    public double method2(int num) {
        return 0;
    }
}
